Study of the Mechanical Properties of a Nanostructured Surface Layer on 316L Stainless Steel

Figure 3

SEM images under different tensile stresses: (a) 380 MPa, (b) 460 MPa, (c) 550 MPa, (d) 630 MPa, and (e) 810 MPa.

(a)

(b)

(c)

(d)

(e)